<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>后盾人</title>
  </head>
  <body></body>
  <script>
    // setTimeout(() => {
    //   console.log("houdunren.com");
    // }, 2000);
    function timeout(delay = 1000) {
      return new Promise(resolve => setTimeout(resolve, delay));
    }
    timeout(2000)
      .then(() => {
        console.log("houdunren.com");
        return timeout(2000);
      })
      .then(value => {
        console.log("hdcms.com");
      });
  </script>
</html>
